Home / 746,723.60-1,120,085.40-510,527.60

Finding the Fourth Proportional to 746,723.60, 1,120,085.40 and 510,527.60

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Solution

The fourth proportional to 746,723.60, 1,120,085.40 and 510,527.60 is: 765,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,723.60 : 1,120,085.40 = 510,527.60 : x
  2. Step 2: Convert to fraction form
    746,723.60/1,120,085.40 = 510,527.60/x
  3. Step 3: Cross multiply
    746,723.60x = 1,120,085.40 × 510,527.60
  4. Step 4: Simplify right side
    746,723.60x = 571,834,511,057.04
  5. Step 5: Solve for x
    x = 571,834,511,057.04/746,723.60
  6. Step 6: Final answer
    x = 765,791.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.